Home / 167,614.38-231,316.16-103,972.68

Finding the Fourth Proportional to 167,614.38, 231,316.16 and 103,972.68

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Solution

The fourth proportional to 167,614.38, 231,316.16 and 103,972.68 is: 143,487.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,614.38 : 231,316.16 = 103,972.68 : x
  2. Step 2: Convert to fraction form
    167,614.38/231,316.16 = 103,972.68/x
  3. Step 3: Cross multiply
    167,614.38x = 231,316.16 × 103,972.68
  4. Step 4: Simplify right side
    167,614.38x = 24,050,560,562.65
  5. Step 5: Solve for x
    x = 24,050,560,562.65/167,614.38
  6. Step 6: Final answer
    x = 143,487.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.